Silversea Cruises announced that it is offering exceptional savings on more than 75 voyages, from the Arctic to the Antarctic.

The line expanded its ‘Silver Sailing’ program to itineraries that encompass all seven continents and boosted the savings on many of these cruises to 50 percent, with 39 worldwide voyages offering 50 percent savings in all suite categories.

In addition, an array of ‘Silver Sailing’ voyages offer additional perks such as free or reduced air programs, and $1,000 on-board spending credits.

For example, the on-board credit is available on Silver Shadow’s July 20, 12-day Alaska cruise round-trip from San Francisco. Silver Sailing cruise fares start at $4,747 per person, a savings of 50 percent in all categories.

And free round-trip economy air is available from more than 70 US and Canadian gateways.